Q1/Why chitosan is useful derivative of chitin ?explain briefly Q2/CHOOSE THE CORRECT ANSWER Which of the following is not required for the biodegradation process? .1 a) Micro-organism b) Environment conditions c) Adhesives d) Substrate 2. Blodegradation will e more for a) More molecular weights and high crystallinity b) Low molecular weights and high crystallinity c) More molecular weights and less crystallinity d) Low molecular weights and less crystallinity 3. Which of the following is not an example of a natural biodegradable polymer? a) Collagen b) Polyvinyl alcohol C) Lignin d) Natural rubber 4. Which of the following is not an example of synthetic biodegradable polymer? a) Polyvinyl alcohol b) PLA c) Polyanhydrides d) HDPE 5. Select the incorrect statement from the following option. a) Biodegradable polymers are not suitable candidates in the recycling of commingled plastics b) Biodegradable polymers are very expensive c) Biodegradable polymers are an attractive option for addressing the solid waste and marine pollution d) Biodegradable polymers are easily available Q3/ A/Show in biocompatibility test HDPE is reference material? B/ Polyester urethanes their use is limited. How and Why?

Q1/Why chitosan is useful derivative of chitin ?explain briefly Q2/CHOOSE THE CORRECT ANSWER Which of the following is not required for the biodegradation process? .1 a) Micro-organism b) Environment conditions c) Adhesives d) Substrate 2. Blodegradation will e more for a) More molecular weights and high crystallinity b) Low molecular weights and high crystallinity c) More molecular weights and less crystallinity d) Low molecular weights and less crystallinity 3. Which of the following is not an example of a natural biodegradable polymer? a) Collagen b) Polyvinyl alcohol C) Lignin d) Natural rubber 4. Which of the following is not an example of synthetic biodegradable polymer? a) Polyvinyl alcohol b) PLA c) Polyanhydrides d) HDPE 5. Select the incorrect statement from the following option. a) Biodegradable polymers are not suitable candidates in the recycling of commingled plastics b) Biodegradable polymers are very expensive c) Biodegradable polymers are an attractive option for addressing the solid waste and marine pollution d) Biodegradable polymers are easily available Q3/ A/Show in biocompatibility test HDPE is reference material? B/ Polyester urethanes their use is limited. How and Why?

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter6: Basic Clinical Chemistry

Section6.1: Introduction To Clinical Chemistry

Problem 9RQ

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